How to check for colorectal cancer

Colorectal cancer is a malignant tumor of the intestine. We usually control the treatment of colorectal cancer in its early stages, and we can get better treatment through surgery or radiotherapy. However, if the disease is discovered late, cancer cells will metastasize, which greatly increases the difficulty of treating the disease. Therefore, we need to learn about the examination items for colorectal cancer.

Colorectal cancer screening items

1. Fiberoptic colonoscopy: Generally, fiberoptic colonoscopy can be used to carefully observe the lesions inside the entire colon, and can be used for biopsy, video recording, and removal of pedunculated polyps.

2. Serum carcinoembryonic antigen test: Serum carcinoembryonic antigen test may not be specific to colorectal cancer, but it is of great significance in judging the efficacy and recurrence, especially liver metastasis.

3. Fecal occult blood test: Usually, stool examination can also effectively understand the condition of the disease. For example, there are two methods for fecal occult blood test: immunological method and chemical method. The sensitivity and specificity of immunological method are higher than those of chemical method. This method is often used in the initial screening of colorectal cancer. Those with positive occult blood test will be further examined by endoscopy.

4. Sigmoidoscopy: According to clinical investigation and statistics, about 70% of the lesions are located within 25 centimeters from the anus and can be discovered using a sigmoidoscopy. Living tissue should be taken for pathological examination to clarify and prevent missed diagnosis.

The above content is a detailed introduction on how to check for the occurrence of colorectal cancer. If you find yourself feeling unwell in your life, or find blood in your stool, please go to the hospital for the above-mentioned related examinations so that the disease can be diagnosed and discovered early. This way, you can avoid the pain brought by the disease and feel the joy of health.